. >> is the 40th anniversary of roe vs wade... today, both were in san francisco. >> across the country 70% of people believe in row, so i'm optimistic we're gonna continue to move forward. >> reporter: it was 1973 when the supreme court recognized a woman's right to choose an abortion. this sea of people believe a medical decision should be made between a woman and her doctor.and say they each have to do their part to protect that choice. >> we have to keep defending row and defending the rights of women to make their own decisions on their bodies legally, but there's also a more profound fight about access and affordability and insurance coverage and about making sure that people especially in rural areas have access to it. >> reporter: advocates say the threat in the state of california is services, and preserving those services under the budget. as they take to the streets and defend their right, they think about other states that are not as fortunate. >> we can't expect other states where choices are more threatened than it i